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Answers
hi!
- cc is the size of the engine, in cubic centimeters - literally the volume of the cylinders. A larger cylinder can ingest more air (and more fuel), thus converting more energy per cycle than a smaller one, so making more power - assuming all other factors are the same, and there are many factors that affect power output.
You can measure it by a simple volume calculation - area of the piston (pi x radius squared) x stroke x number of cylinders.
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2.The power, in simple terms, is ‘rate or speed of doing work’. The work is defined as a 'force operating thru' a distance'. The automotive engines use the term 'horse power' (hp) to measure its power. This term comes from the erstwhile practice of measuring the rate of work done by a horse which equals to 33,000 ft-lb of 'work done' per minute.
1 hp (mechanical) = 33,000 ft·lbf/min = 550 ft·lbf/s
A conventional engine produces its power by burning the fuel. The combustion process releases the heat energy which results in the generation of expanding forces known as power. The engine’s power is commonly measured in Brake-Horse-Power (bhp), Pferdestärke (PS) which is the German translation of horsepower. Metric system uses kilowatt (kW) unit of measurement while in case of the imperial / British system, it is 'feet-pound-force-per-second' (fps).
Engine loses some of its generated power while overcoming its own friction known as 'Frictional Horse Power'. 'Indicated Horse power' is the actual power developed by the engine whereas Brake Horse Power is the available power which is almost about 70 to 85 % of the actual power developed inside the engine
How does the horse power help?
The power curve in an engine represents its rate of doing work corresponding to engine’s rpm band. Higher the power an engine can produce means that it can do more work OR give higher performance. Thus to achieve higher vehicle speeds, you need more power. Power is most useful while speeding & overtaking. The vehicle often needs more power when it is climbing a gradient as the engine has to pull the vehicle’s weight against the forces of gravity.
Answer:
the power of an engine measure in horsepower it is equal to 750 watts
n 1st one 1 don't know sry